#include <iostream>

using namespace std;

int main() {
    int n;
    cin >> n;

    int x = 0, y = 0;
    while (n--) {
        int t;
        cin >> t;
        if (t >= 10 && t <= 20) {
            x++;
        } else {
            y++;
        }
    }

    cout << x << " in" << endl;
    cout << y << " out" << endl;

    return 0;
}
